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Question

ilaplace gives time limited result

Hello, I try to apply a periodical pulse signal to a pT1 filter and to convert the result to the time domain. When the code be...

12 days ago | 1 answer | 0

### 1

answerHow to send Simulink variable to matlab?

Timeseries signals can be plotted directly: plot(simout) or separated by x and y: plot(simout.Time, simout.Data)

9 months ago | 0

Why is my plot plotting blank?

Each loop you are plotting one point, only. So you either have to "hold on" the figure to prevent erasing all data before the ne...

9 months ago | 1

Replace every nth element in a vector

You must not start your index with '0' but with '1' Inv(1:lifetime:projectlength)= costs;

9 months ago | 0

| accepted

Start and end point of a signal

Not sure whether I understood your question, but if you want to get the indices of an array for which the data meets certain req...

9 months ago | 0

| accepted

How can I send the MATLAB data(using loop) to excel???

rndMatrix = zeros(9, 4); % preallocation for i = 1:9 rndMatrix(i, 1) = i; % i rndMatrix(i, ...

9 months ago | 0

| accepted

How to change all the colours in the image to black

Try this: imageData = imread([yourFile]); % split R, G, B imgR = imageData(:, :, 1); imgG = imageData(:, :, 2); imgB = ...

9 months ago | 1

| accepted

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

9 months ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

9 months ago

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

9 months ago

Solved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

9 months ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

9 months ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

9 months ago

How can I determine the time t when a specific value y is reached in SIMULINK?

There are multiple ways of doing this. One is to attach the source block "clock" to a triggered subsystem which contains just a ...

9 months ago | 1

| accepted

Setting a fixed sized matrix size in Simulink at run time

First, add an input 'n' of type „Parameter“ to the Matlab function block using the Simulink ModelExplorer and un-check the “Tuna...

9 months ago | 0

| accepted

Dynamically adding element to an array

priceArray= ... [1 29.21 -1 29.41 -1 29.43 -1 29.63 1 29.01 0 29.21 1 28.62 ...

9 months ago | 1

| accepted

Approximation of area of an image

Personally, I would try this: 1) Introduce an intensity threshold. All pixels below will be treated as 0, all above as 1. 2) N...

9 months ago | 0

For loop adding and substracting.

decrA = 0; out = zeros(1, numel(A)); out(1) = A(1); for idx = 2:1:numel(A) if A(idx) == -1 out(idx)...

10 months ago | 1

| accepted

How can I control decimal in plot with four axes?

I don't think that it's possible what you want to achieve. A second y axis can be activated with yyaxis or plotyy (same x scali...

10 months ago | 0

Plot Graph with different b Values

There is no declaration of 'r'. I guess it should be instead of 'i'? Not sure what exactly you want to plot and/or how 'M' shou...

10 months ago | 0

bars with mean and std on them

replace the XEndPoints/YEndPoints by XData(end)/YData(end): xtips1 = b(1).XData(end); ytips1 = b(1).YData(end); Btw, xtickl...

10 months ago | 0

| accepted

How can I separate data that does not fit the required format?

Maybe I didn't get your issue, but what about using "contains" and searching for a specific identifier? E.g. contains([your_hex...

10 months ago | 0

| accepted

Index exceeds the number of array elements: in case of for loop.

k4 has 8 members. But the third member of Perm is 8. So plus one leads to 9 which is more than k4 contains k4(Perm(i)+1) = k4(9...

10 months ago | 1

Making a change in appdesigner when deployed permanent

You have to use "load" / "save" functions to store and reload your settings. The app does not support permanent changes of the ...

11 months ago | 0

| accepted

Concatenate signals ( sine wave and a line )

I guess you want to add a X/Y line after the sine wave, right? In this case you have to concatenate X + t and Y + a in order to...

11 months ago | 1

wrong number of rows of cell array using length()-function

You should use the size command to distinguish between row and col. To be more precise: length(X) returns the length of vect...

11 months ago | 0

| accepted

How to select a column on basis of some conditions on the rows?

Does this solve your problem? x = x(:, x(1, :) > 0 & x(2, :) > 0 & x(4, :) < 0)

11 months ago | 0

| accepted

how to do sum of element of multiple number in matlab?

Not sure whether I got your issue. But in case you want to summarize all members of m starting at index 1, up to each member of ...

11 months ago | 0

Cut out all of a square array except for a specified NxN section in the middle.

Try this: rowOffset = (rowdim-m)/2; columnOffset = (columndim-m)/2; centerMatrix = x(rowOffset+1:end-rowOffset,...

11 months ago | 1

load x,y

There are certainly different ways to do so. E.g.: x = 1:1:10; y1=[0.5 1.7 1.75 1.9 2 2.1 2.4 2.6 2.7 2.9 ]; y2=[0.7 1.8 1...

11 months ago | 0